Violations in NEC

Looks like it was done by a DIY, handyman, or just plain ole hack. Start with these code sections.

314.25 Covers and Canopies.
In completed installations, each box shall have a cover, faceplate, lampholder, or luminaire canopy, except where the installation complies with 410.24(B). Screws used for the purpose of attaching covers, or other equipment, to the box shall be either machine screws matching the thread gauge and size that is integral to the box or shall be in accordance with the manufacturer’s instructions.
314.17(B)(2) Conductors Entering Through Cable Clamps.
Where cable assemblies with nonmetallic sheathes are used, the sheath shall extend not less than 6 mm (1∕ 4 in.) inside the box and beyond any cable clamp. Except as provided in 300.15(C), the wiring method shall be secured to the box or conduit body.
 
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